It has been year since the failed assassination attempt that saw Malala Yousafzai shot in the head. But today, the Pakistani teenager was reunited with two friends also injured in the school bus attack for the first time since it happened.

It's not often that Jon Stewart is left speechless. But the host of The Daily Show could only cover his mouth with his hands and look on in admiration when Pakistani schoolgirl Malala Yousafzai appeared on his show.